Examine source code of leegit syn

{
  "manifest_version": 2,
  "name": "LeetSync Pro",
  "version": "2.0",
  "description": "Auto-sync your LeetCode accepted solutions to GitHub instantly.",
  "author": "LeetSync Pro",
  "homepage_url": "https://github.com",
  "permissions": [
    "tabs",
    "storage",
    "notifications",
    "https://leetcode.com/*",
    "https://api.github.com/*"
  ],
  "background": {
    "scripts": [
      "compat.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/*"
      ],
      "js": [
        "compat.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "LeetSync Pro",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "leetsync-pro@extension",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}